Matches in DBpedia 2014 for { ?s ?p 1820. }
- Lincolnville_Center_Meeting_House yearOfConstruction "1820".
- Literary_Club_of_Cincinnati yearOfConstruction "1820".
- Louisiana_State_Bank_Building yearOfConstruction "1820".
- Lovett's_by_Lafayette_Brook yearOfConstruction "1820".
- Luke_Richardson_House yearOfConstruction "1820".
- Luther_Clarke_House yearOfConstruction "1820".
- M._Baylis_House yearOfConstruction "1820".
- Madison_Historic_District_(Madison,_Georgia) yearOfConstruction "1820".
- Malden_Inn yearOfConstruction "1820".
- Mansion_Historic_District yearOfConstruction "1820".
- Maple_Hall yearOfConstruction "1820".
- Market_Street_Historic_District_(Potsdam,_New_York) yearOfConstruction "1820".
- Martin_Marmon_House yearOfConstruction "1820".
- Mary_Plantation_House yearOfConstruction "1820".
- Massanutton_Heights yearOfConstruction "1820".
- Masten-Quinn_House yearOfConstruction "1820".
- Mauldin_House yearOfConstruction "1820".
- McCormack_Church yearOfConstruction "1820".
- McMahan_Homestead yearOfConstruction "1820".
- Meadow_Grove_Farm yearOfConstruction "1820".
- Mechum_River_Farm yearOfConstruction "1820".
- Mentz_Church yearOfConstruction "1820".
- Merrybrook yearOfConstruction "1820".
- Middle_Farmhouse yearOfConstruction "1820".
- Mifflin-Marim_Agricultural_Complex yearOfConstruction "1820".
- Monticello_Store_and_Post_Office yearOfConstruction "1820".
- Morrison_House_(Harrisonburg,_Virginia) yearOfConstruction "1820".
- Federal_City_Homestead yearOfConstruction "1820".
- Morven_(Cartersville,_Virginia) yearOfConstruction "1820".
- Morven_(Markham,_Virginia) yearOfConstruction "1820".
- Mount_Walla yearOfConstruction "1820".
- Much_Haddam yearOfConstruction "1820".
- Mulberry_Plantation_(James_and_Mary_Boykin_Chesnut_House) yearOfConstruction "1820".
- N._C._Downs_House yearOfConstruction "1820".
- Nathan_Fisher_House yearOfConstruction "1820".
- Nearpass_House yearOfConstruction "1820".
- Newburgh_Colored_Burial_Ground yearOfConstruction "1820".
- Newcomer_Mansion yearOfConstruction "1820".
- Newport_Historic_District_(Newport,_Pennsylvania) yearOfConstruction "1820".
- Newton_Cannon_House yearOfConstruction "1820".
- Nicholas_East_House yearOfConstruction "1820".
- Nicholas_Tate_Perkins_House yearOfConstruction "1820".
- Nichols-Sterner_House yearOfConstruction "1820".
- Northeast_Lancaster_Township_Historic_District yearOfConstruction "1820".
- Oak_Grove_(Manakin-Sabot,_Virginia) yearOfConstruction "1820".
- Oakley_(Heathsville,_Virginia) yearOfConstruction "1820".
- Oakwood_Estate yearOfConstruction "1820".
- Old_Stone_Church_(White_Hall,_Virginia) yearOfConstruction "1820".
- Oliver_Hutchins_House yearOfConstruction "1820".
- Otis_Starkey_House yearOfConstruction "1820".
- Parker_Farmhouse_(Cazenovia,_New_York) yearOfConstruction "1820".
- Peirce_Mill yearOfConstruction "1820".
- Peleg_Champlin_House yearOfConstruction "1820".
- Penn_Yan_Historic_District yearOfConstruction "1820".
- Perry_Farm yearOfConstruction "1820".
- Perseverance_Hall yearOfConstruction "1820".
- Petersburgh_United_Methodist_Church yearOfConstruction "1820".
- Phillips_Farm yearOfConstruction "1820".
- Phoenix_Building_(Pittsford,_New_York) yearOfConstruction "1820".
- Pierce_Springhouse_and_Barn yearOfConstruction "1820".
- Pineville_Historic_District yearOfConstruction "1820".
- Pitts-Inge yearOfConstruction "1820".
- Pleasant_View_Plantation_House yearOfConstruction "1820".
- Pon_Pon_Chapel yearOfConstruction "1820".
- Preserved_Gardner_House yearOfConstruction "1820".
- Priestley-Forsyth_Memorial_Library yearOfConstruction "1820".
- Pumpkin_House yearOfConstruction "1820".
- Puritan_Farm yearOfConstruction "1820".
- Raymond_Neck_Historic_District yearOfConstruction "1820".
- Richard_Sayles_House yearOfConstruction "1820".
- Rieser-Shoemaker_Farm yearOfConstruction "1820".
- River_House_(Virginia) yearOfConstruction "1820".
- Riverlake yearOfConstruction "1820".
- Roe_Cobblestone_Schoolhouse yearOfConstruction "1820".
- Rogers_House_(Huntington,_New_York) yearOfConstruction "1820".
- Rose_Hill_Farm_(Upperville,_Virginia) yearOfConstruction "1820".
- Rosedale_(Washington,_D.C.) yearOfConstruction "1820".
- Samuel_Cunningham_House yearOfConstruction "1820".
- Santee_(Corbin,_Virginia) yearOfConstruction "1820".
- Savin-Wilson_House yearOfConstruction "1820".
- Sawyer-Medlicott_House yearOfConstruction "1820".
- Schoonmaker_Stone_House_and_Farm yearOfConstruction "1820".
- Selwyn_(Mechanicsville,_Virginia) yearOfConstruction "1820".
- Shannondale_Springs yearOfConstruction "1820".
- Shockoe_Hill_Cemetery yearOfConstruction "1820".
- Silver_Lake_Farm yearOfConstruction "1820".
- Smithfield_Farm yearOfConstruction "1820".
- Smithfield_Presbyterian_Church yearOfConstruction "1820".
- Solomon_Nightengale_House yearOfConstruction "1820".
- Spencer_Buford_House yearOfConstruction "1820".
- Springfield_(Coatesville,_Virginia) yearOfConstruction "1820".
- St._James_Episcopal_Church,_Mill_Creek_(Stanton,_Delaware) yearOfConstruction "1820".
- St._Paul's_Church_(Brownville,_New_York) yearOfConstruction "1820".
- Stonehouse_Farm yearOfConstruction "1820".
- Stuckey_House yearOfConstruction "1820".
- Swatara_Ferry_House yearOfConstruction "1820".
- Taft_Museum_of_Art yearOfConstruction "1820".
- Thaddeus_Chapin_House yearOfConstruction "1820".
- Thaddeus_Jackson_House yearOfConstruction "1820".
- The_Homestead_(Waccabuc,_New_York) yearOfConstruction "1820".